Introduction to Astronomical Photometry / Edition 1

Introduction to Astronomical Photometry / Edition 1

by G.J. Thornley, M. Golay
     
 

Product Details

ISBN-13:
9789027704283
Publisher:
Springer Netherlands
Publication date:
09/30/1974
Series:
Astrophysics and Space Science Library Series, #41
Edition description:
1974
Pages:
366
Product dimensions:
6.14(w) x 9.21(h) x 0.94(d)

Table of Contents

1. General Definitions and Energy Distribution for Various Spectral Types.- 1.1. Definition of Photometric Measurement, A Special Case of Astronomical Measurement.- 1.2. Description of the Energy Distribution in Stellar Spectra.- 1.3. Characteristic Physical Parameters of the Continuous Energy Distribution.- (A) Gradient.- 1.4. Characteristic Parameters of the Energy Distribution.- (B) The Balmer Discontinuity and its Position.- 1.5. The Importance of Lines in Photometric Measurement.- 1.6. Distribution of the Fraction of Energy Absorbed in the Lines.- 1.7. The Importance of Accuracy when Making Measurements in Astronomical Photometry.- 1.8. Interstellar Absorption Law Deduced from Spectrophotometry.- 2. Photometric Measurements, Effects of Bandwidths and Interstellar Absorption.- 2.1. Characteristic Parameters of a Photometric System.- 2.2. Atmospheric Extinction Correction. Role of the Bandwidth.- 2.3. Effect of Bandwidth on Corrections for Interstellar Extinction.- 2.4. Effects of the Bandwidth and the Form of Extinction Law on Ratios of the Type Eu/Ey.- 2.5. Effects of Various Extinction Laws and Bandwidths on Ratios of the Type Av/Ey.- 2.6. Relationships between Heterochromatic Magnitudes Obtained from Two Similar Systems.- 2.7. Relationships between the Colour Indices of Two Similar Photometric Systems.- 2.8. Comparison oF The Ratios Eu/Ey and Av/Ey for Two Similar Photometric Systems.- 3. Two-Dimensional Photometric Representations of Stars.- 3.1. Relationship between Colour Indices and Gradients.- 3.2. Colour Index and the Balmer Discontinuity.- 3.3. Two-Dimensional Photometric Representation of Stars: Introduction to the UBV System.- 3.4. Interstellar Reddening Lines in the UBV Diagram.- 3.5. Position of the Black-Body and other Radiation Laws in the UBV Diagram.- 3.6. Effect of Binarity in UBV Diagrams.- 3.7. Dispersion Caused by Rotation.- 3.8. Blocking and Blanketing Effects inUBV.- 4. Multi-Colour and Wide-Band Photometry.- 4.1. Comparison between the UBV and RGU Systems.- 4.2. Information Growth by Increasing the Number of Passbands.- 4.3. Description of Energy Distributions Using a Photometry Having n Wide Passbands.- 4.4. Use of Multi-Colour Photometric Systems in Describing the Interstellar Extinction Law.- 4.5. Introduction of Linear Combinations of Indices.- 4.6. Linear Combination of Heterochromatic Indices and Interstellar Extinction Effects.- 4.7. The Q Parameter of theUBV System.- 4.8. The [d], [?] and [g] Parameters of the U B V B1B2V1G Photometric System.- 5. Intermediate and Narrow Passband Photometry.- 5.1. Introduction.- 5.2. Narrow Band Photometry, Centred upon Hydrogen Lines.- (A) Spectral Types O-A(F).- 5.3. Narrow Band Photometry Centred upon Hydrogen Lines.- (B) A-G Stars.- 5.4. Narrow Band Photometry Centred upon Lines and Bands other than Hydrogen.- 5.5. Intermediate Passband Photometry.- (A) The u, v, b, y System.- 5.6. Intermediate Passband Photometry.- (B) Extensions of u, v, b, y.- 5.7. Intermediate Passband Photometry.- (C) Systems which are Independent of u, v, b, y.- 5.8. Intermediate Passband Photometry.- (D) System with Passbands in the UV Region.- 5.9. Intermediate Passband Photometry.- (E) Systems with Passbands in UV and IR.- 5.10. Notes on Narrow and Intermediate Band Photometry of Molecular Bands and Groups of Lines.- 6. Photometric Parameters and their Correlation With Basic Parameters Describing the Physical State of Stellar Atmospheres.- 6.1. Introduction.- 6.2. Effective Temperature Parameters.- 6.3. Effective Temperature and Gravity Using Models - Case of Hot Stars.- (A) Adjustment Using Hydrogen Line Profiles.- (B) Adjustment Using the Continuum.- (C) Adjustment Using the Balmer Discontinuity.- 6.4. Adjustment of Models Using Colour Indices.- 6.5. Determination of the Shape of the Passbands of Intermediate and Wide Filter Systems.- 6.6. Notes on the Fitting of Models Using Colour Indices.- 6.7. Discussion of the Properties of a Photometric System Using Stellar Atmosphere Models. Vectorial Representation.- 6.8. Calibration of Photometric Diagrams.- (A) Using Fundamental Parameters.- 6.9. Calibration of Photometric Diagrams.- (B) Estimation of Fundamental Parameters.- 6.10. Calibration of Photometric Diagrams.- (C) Testing the Validity of the Calibrations.- 7. Photometry Applied to Various Stellar Objects.- 7.1. Introduction.- 7.2. O Star Photometry.- 7.3. A Few Remarks about the Photometry of Ap Stars and Their Variability.- 7.4. Sub-Dwarf Photometry.- 7.5. Peculiar Cool Stars, such as Barium, CH and Carbon Stars.- 7.6. Cool Star Photometry.- 7.7. UBV Diagrams of some other Objects; QSS, White Dwarfs, Seyfert Nuclei, N Galaxies, Pulsars.- 7.8. Photometry of Galaxies.- 7.9. Photometry of Globular Clusters.- 7.10. On the Photometry of RR Lyrae-Type Variables.- 7.11. UBV Photometry of the Sun.- 7.12. Photometric Catalogues and Bibliographic Notes.- Index of Names.- Index of Subjects.

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